{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-25832", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-14T16:00:15.430Z", "dateReserved": "2026-02-06T00:00:00.000Z", "datePublished": "2026-09-14T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mbed TLS", "vendor": "TrustedFirmware", "versions": [{"lessThan": "3.6.7", "status": "affected", "version": "3.5.0", "versionType": "semver"}, {"lessThan": "4.1.2", "status": "affected", "version": "4.0.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-669", "description": "CWE-669 Incorrect Resource Transfer Between Spheres", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-14T06:45:01.918Z"}, "references": [{"url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/"}, {"url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-tls13-hrr-unadvertised-group/"}], "x_generator": {"engine": "enrichogram 0.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-14T15:59:33.992126Z", "id": "CVE-2026-25832", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T16:00:15.430Z"}}]}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Mbed TLS", "vendor": "TrustedFirmware", "versions": [{"lessThan": "3.6.7", "status": "affected", "version": "3.5.0", "versionType": "semver"}, {"lessThan": "4.1.2", "status": "affected", "version": "4.0.0", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group."}], "id": "CVE-2026-25832", "lastModified": "2026-09-14T17:17:43.637", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25832", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T15:59:33.992126Z", "version": "2.0.3"}}]}, "published": "2026-09-14T07:17:16.490", "references": [{"source": "[email protected]", "url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/"}, {"source": "[email protected]", "url": "https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-07-tls13-hrr-unadvertised-group/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-669"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.5.0,3.6.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0,4.1.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Mbed TLS", "source": "cna", "vendor": "TrustedFirmware"}, "product": "mbed_tls", "vendor": "trustedfirmware"}], "created": "2026-09-14T08:30:17.752170+00:00", "title": "Mbed TLS TLS 1.3 Client Accepts HelloRetryRequest with Unadvertised Group", "updated": "2026-09-14T12:45:06.446253+00:00", "vendors": ["trustedfirmware", "trustedfirmware$PRODUCT$mbed_tls"]}